EGO HT2400E Manuale utente
REPAIR GUIDELINE
Version: 1
Issue Date: 2015/03/05
Hedge Trimmer_HT2400E
Table of Contents
2
NO. Contents Page
1 Troubleshooting 3
2 Tool list 4
3 Replace the Front Handle Set 5-12
4 Replace the Blade Assembly 13-26
5 Replace the PCB Assembly 27-45
6 Replace the Motor and Gear Box Assembly 46-49
7 Replace the Gears in Gear Box 50-62
Troubleshooting
Problem Possible Cause Fault Position Test & Solution
Fail to start
Main PCB or its wires are broken PCB Assembly Replace the PCB Assembly.
The blade is jammed when some
obstruction stuck in the edge of
the blade make the blade curved
or deformed.
Blade Set Clear the obstructions or replace the
Blade Set
Motor is jammed due to foreign
objects stuck in the motor. Motor Replace the Motor And Gear Assembly.
Gears are jammed due to broken
tooth. Gear Set Replace the failure gears.
Malfunction of switch levers Switch Levers Replace the Switch Lever.
Soft Start Failure Main PCB is broken PCB Assembly Replace the PCB Assembly.
Excessive vibration
Unbalance of the motor Motor Replace the Motor And Gear Assembly.
Over-worn of the Eccentric Block Eccentric Block Replace the Eccentric Block.
The speed is decreased or
less powerful compared
with normal use.
Motor is broken Motor Replace the Motor And Gear Assembly.
The switch lever doesn’t
return to the original
position.
Dust adhered to the switch. Switch Lever Clear the dust
3
Tool List For Repair
4
NO. Tool List SPEC Remark
1 Magnetic bits
2 Hexagon Spline Screwdriver To remove the hexagon spline screw
3 Screwdriver
4 Torque Wrench Rated torque should exceed
12 Nm To tighten the blade bolt
5 Hex wrench M6
6 Electric Soldering Iron To solder or separate the motor with
the PCB
7 Solder sucker
8 Heat shrinkable sleeves
9Scissors To remove the shrinkable sleeve
10 Grease To lubricate the Blade
5
Part 1: Replace the Front Handle Set
Replace the Front Handle Set
1. Loosen and remove the Hexagon spline screw in the hand guard with a hexagon spline
screwdriver and remove the hand guard from the housing.
2. Replace the hand guard if it is broken.
6
Hand Guard
Front Handle
Hexagon spline screw
Description Part Number SPEC
Hexagon Spline Screw 5620424000 ---
Hand guard 3124203000 ---
Replace the Front Handle Set
3. Loosen and remove the 6 screws in the front handle.
4. Loosen the 4 screws at both sides of the front handle set and remove the screws.
5. Separate the front half handle from the rear half handle.
7
Description Part Number SPEC
Tapping Screw 5610032000 ST4X16
Front half handle
Rear half handle
Replace the Front Handle Set
6. Take out the internal wire and switch from the rear half handle; remove the rear half handle
from the housing.
7. Replace the front handle set if they are broken.
8
Description Part Number
Front handle set 2823733000
Front Switch Lever 3124356000
Front switch lever Front handle set
Switch
Replace the Front Handle Set
8. To replace the switch:
(a) Remove the heat-shrinkable sleeves with a scissor, then remove the wires from the
trigger with an electric soldering iron.
(b) Replace with a new switch.
(c) Place new heat-shrinkable sleeves through the wires, then solder the wires to the
switch following the below figure.
(d) Move the heat-shrinkable sleeves to cover the switch feet and use a hot air gun to
shrink the sleeves.
9
Description Part Number
Front Trigger Switch 4870381000
Red
black
blue
Replace the Front Handle Set
9. Mount the rear half handle onto the housing.
10. Position the switch in the rear half handle, make sure the switch trigger downwards.
10
Switch trigger Switch
Rear half housing
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